Search found 2 matches

by frax
Sun Jul 22, 2018 10:28 pm
Forum: Hardware
Topic: Half dead 8300
Replies: 4
Views: 1498

Re: Half dead 8300

Baaah, to much vacation, to little hacking. I hope I have some more time this week. Will check your tips and report back. Btw, anyone have any ideas what the 74LS05 is for? Seems like D0-5 + 7, but not D6, is "controlled" or just overlayed on the databus is a way I can't understand. And it's all con...
by frax
Tue Jul 10, 2018 6:55 pm
Forum: Hardware
Topic: Half dead 8300
Replies: 4
Views: 1498

Half dead 8300

Hi, trying to fix my semi-dead Lambda 8300. It started out almost stone dead, no picture but the CPU was running and the speaker was making some spooookey noises. BUSACK and a few others didn't quite make sense so I replaced the CPU and got the following. https://i.imgur.com/Nf25qEjm.jpg hi-res here...